General
- Target XClient.exe
- Size 32KB
- Sample260819-1vs61ahg86
- SHA256 8888114085cb7f6b3f75df3c965810774af987e1a508e748054bfbb6f7c57eff
- MD5 498876abfa00a33f238e04a17bc50daa
- SHA1 7ea25c0fcc15608424e53d974321b1001a74a653
- SHA512 2a832bfb25c23630cd7dbd2e3a332533403d6fe2b537427d0b3f7a4e2ad8727ff0caaeba34916b2ac459bbcb5fbe0a696ca793389b9c202d305fd860a64d49e9
- SSDEEP 384:8EmNYo85DCeup3fch3LYaN3Tm2eaFO4FzRApkFTBLTsOZwpGd2v99IkuisWYVdxB:hA8wlS7JN3Tw49FzVFE9jTWOjh5bi
- TLSH T164E22B4877944322DAFEAFB12DF362061670D517E923EF6E0CE485E62B67AC047407E6
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Malware Config
Extracted
Family
-
xworm
Version
-
5.0
C2
-
16.tcp.vip.cpolar.cn:14265
Mutex
-
tXHHOKNLLPWU26QS
Attributes
-
install_file
USB.exe
aes.plain
Targets
-
- Target XClient.exe
- Size 32KB
- SHA256 8888114085cb7f6b3f75df3c965810774af987e1a508e748054bfbb6f7c57eff
- MD5 498876abfa00a33f238e04a17bc50daa
- SHA1 7ea25c0fcc15608424e53d974321b1001a74a653
- SHA512 2a832bfb25c23630cd7dbd2e3a332533403d6fe2b537427d0b3f7a4e2ad8727ff0caaeba34916b2ac459bbcb5fbe0a696ca793389b9c202d305fd860a64d49e9
- SSDEEP 384:8EmNYo85DCeup3fch3LYaN3Tm2eaFO4FzRApkFTBLTsOZwpGd2v99IkuisWYVdxB:hA8wlS7JN3Tw49FzVFE9jTWOjh5bi
- TLSH T164E22B4877944322DAFEAFB12DF362061670D517E923EF6E0CE485E62B67AC047407E6
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detect Xworm Payload
-
Disables Task Manager via registry modification
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory